The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Hollow‐Structured Graphene–Silicone‐Composite‐Based Piezoresistive Sensors: Decoupled Property Tuning and Bending Reliability
Abstract
A versatile flexible piezoresistive sensor should maintain high sensitivity in a wide linear range, and provide a stable and repeatable pressure reading under bending. These properties are often difficult to achieve simultaneously with conventional filler–matrix composite active materials, as tuning of one material component often results in change of multiple sensor properties. Here, a material strategy is developed to realize a 3D graphene–poly(dimethylsiloxane) hollow structure, where the electrical conductivity and mechanical elasticity of the composite can be tuned separately by varying the graphene layer number and the poly(dimethylsiloxane) composition ratio, respectively. As a result, the sensor sensitivity and linear range can be easily improved through a decoupled tuning process, reaching a sensitivity of 15.9 kPa−1 in a 60 kPa linear region, and the sensor also exhibits fast response (1.2 ms rising time) and high stability. Furthermore, by optimizing the density of the graphene percolation network and thickness of the composite, the stability and repeatability of the sensor output under bending are improved, achieving a measurement error below 6% under bending radius variations from −25 to +25 mm. Finally, the potential applications of these sensors in wearable medical devices and robotic vision are explored.
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Cites
Highly sensitive flexible pressure sensors with microstructured rubber dielectric layers
Mannsfeld, S. C. B., Tee, B. C.-K., Stoltenberg, R. M., Chen, C. V. H.-H., Barman, S., Muir, B. V. O., Sokolov, A. N., Reese, C., & Bao, Z. (2010) · Nature Materials · doi:10.1038/nmat2834 · Cited by 3,291
A wearable and highly sensitive pressure sensor with ultrathin gold nanowires
Gong, S., Schwalb, W., Wang, Y., Chen, Y., Tang, Y., Si, J., Shirinzadeh, B., & Cheng, W. (2014) · Nature Communications · doi:10.1038/ncomms4132 · Cited by 2,064
Schwartz, G., Tee, B. C.-K., Mei, J., Appleton, A. L., Kim, D. H., Wang, H., & Bao, Z. (2013) · Nature Communications · doi:10.1038/ncomms2832 · Cited by 2,042
Pan, L., Chortos, A., Yu, G., Wang, Y., Isaacson, S., Allen, R., Shi, Y., Dauskardt, R., & Bao, Z. (2014) · Nature Communications · doi:10.1038/ncomms4002 · Cited by 1,519
Pang, Y., Tian, H., Tao, L., Li, Y., Wang, X., Deng, N., Yang, Y., & Ren, T.-L. (2016) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.6b08172 · Cited by 456
Cited by
Yang, J. C., Mun, J., Kwon, S. Y., Park, S., Bao, Z., & Park, S. (2019) · Advanced Materials · doi:10.1002/adma.201904765 · Cited by 1,641
Emerging Technologies of Flexible Pressure Sensors: Materials, Modeling, Devices, and Manufacturing
Huang, Y., Fan, X., Chen, S., & Zhao, N. (2019) · Advanced Functional Materials · doi:10.1002/adfm.201808509 · Cited by 543
Self-citationLee, Y., Park, J., Cho, S., Shin, Y.-E., Lee, H., Kim, J., Myoung, J., Cho, S., Kang, S., Baig, C., et al. (2018) · ACS Nano · doi:10.1021/acsnano.8b01805 · Cited by 528
Zheng, Y., Yin, R., Zhao, Y., Liu, H., Zhang, D., Shi, X., Zhang, B., Liu, C., & Shen, C. (2021) · Chemical Engineering Journal · doi:10.1016/j.cej.2020.127720 · Cited by 469
Wearable piezoresistive pressure sensors based on 3D graphene
Cao, M., Su, J., Fan, S., Qiu, H., Su, D., & Li, L. (2021) · Chemical Engineering Journal · doi:10.1016/j.cej.2020.126777 · Cited by 373
Metadata
- Authors
- Luo, N., Huang, Y., Liu, J., Chen, S., Wong, C. P., & Zhao, N.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2017-09-05
- Volume
- 29
- Issue
- 40
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2750814297
- Cited by
- 275
- References
- 5
- FWCI
- 10.13
- Type
- journal article
- Language
- en
- Open access
- closed
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- Luo, N., Huang, Y., Liu, J., Chen, S., Wong, C. P., & Zhao, N. (2017). Hollow‐Structured Graphene–Silicone‐Composite‐Based Piezoresistive Sensors: Decoupled Property Tuning and Bending Reliability. Advanced Materials. https://doi.org/10.1002/adma.201702675
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